Improved the mouse focus system (mouse keeps focus on a control while buttons are pressed). Fixes #19154 and likely many others.
WARNING: Test well in every OS, if mouse wheel events are not properly sent as pressed+unpressed pair, it will fail and break (and the OS needs to be fixed). Only tested on X11 so far.
This commit is contained in:
Juan Linietsky
parent
05755618c5
commit
39028cc161
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@ -189,7 +189,7 @@ Viewport::GUI::GUI() {
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dragging = false;
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mouse_focus = NULL;
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mouse_click_grabber = NULL;
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mouse_focus_button = -1;
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mouse_focus_mask = 0;
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key_focus = NULL;
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mouse_over = NULL;
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@ -671,15 +671,7 @@ void Viewport::_notification(int p_what) {
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case SceneTree::NOTIFICATION_WM_FOCUS_OUT: {
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if (gui.mouse_focus) {
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//if mouse is being pressed, send a release event
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Ref<InputEventMouseButton> mb;
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mb.instance();
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mb->set_position(gui.mouse_focus->get_local_mouse_position());
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mb->set_global_position(gui.mouse_focus->get_local_mouse_position());
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mb->set_button_index(gui.mouse_focus_button);
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mb->set_pressed(false);
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Control *c = gui.mouse_focus;
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gui.mouse_focus = NULL;
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c->call_multilevel(SceneStringNames::get_singleton()->_gui_input, mb);
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_drop_mouse_focus();
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}
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} break;
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}
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@ -1686,10 +1678,10 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
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if (mb->is_pressed()) {
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Size2 pos = mpos;
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if (gui.mouse_focus && mb->get_button_index() != gui.mouse_focus_button) {
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//do not steal mouse focus and stuff
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if (gui.mouse_focus_mask) {
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//do not steal mouse focus and stuff while a focus mask exists
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gui.mouse_focus_mask |= 1 << (mb->get_button_index() - 1); //add the button to the mask
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} else {
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bool is_handled = false;
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@ -1734,7 +1726,7 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
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*/
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gui.mouse_focus = _gui_find_control(pos);
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gui.mouse_focus_button = mb->get_button_index();
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gui.mouse_focus_mask = 1 << (mb->get_button_index() - 1);
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if (!gui.mouse_focus) {
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return;
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@ -1837,6 +1829,8 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
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//change mouse accordingly
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}
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gui.mouse_focus_mask &= ~(1 << (mb->get_button_index() - 1)); //remove from mask
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if (!gui.mouse_focus) {
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//release event is only sent if a mouse focus (previously pressed button) exists
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return;
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@ -1852,9 +1846,8 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
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Control *mouse_focus = gui.mouse_focus;
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//disable mouse focus if needed before calling input, this makes popups on mouse press event work better, as the release will never be received otherwise
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if (mb->get_button_index() == gui.mouse_focus_button) {
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if (gui.mouse_focus_mask == 0) {
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gui.mouse_focus = NULL;
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gui.mouse_focus_button = -1;
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}
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if (mouse_focus->can_process()) {
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@ -1900,6 +1893,7 @@ void Viewport::_gui_input_event(Ref<InputEvent> p_event) {
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if (gui.drag_data.get_type() != Variant::NIL) {
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gui.mouse_focus = NULL;
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gui.mouse_focus_mask = 0;
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break;
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} else {
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if (gui.drag_preview != NULL) {
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@ -2412,7 +2406,7 @@ void Viewport::_gui_unfocus_control(Control *p_control) {
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void Viewport::_gui_hid_control(Control *p_control) {
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if (gui.mouse_focus == p_control) {
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gui.mouse_focus = NULL;
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_drop_mouse_focus();
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}
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/* ???
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@ -2439,8 +2433,10 @@ void Viewport::_gui_hid_control(Control *p_control) {
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void Viewport::_gui_remove_control(Control *p_control) {
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if (gui.mouse_focus == p_control)
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if (gui.mouse_focus == p_control) {
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gui.mouse_focus = NULL;
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gui.mouse_focus_mask = 0;
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}
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if (gui.key_focus == p_control)
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gui.key_focus = NULL;
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if (gui.mouse_over == p_control)
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@ -2489,6 +2485,27 @@ void Viewport::_gui_accept_event() {
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set_input_as_handled();
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}
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void Viewport::_drop_mouse_focus() {
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Control *c = gui.mouse_focus;
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int mask = gui.mouse_focus_mask;
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gui.mouse_focus = NULL;
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gui.mouse_focus_mask = 0;
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for (int i = 0; i < 3; i++) {
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if (mask & (1 << i)) {
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Ref<InputEventMouseButton> mb;
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mb.instance();
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mb->set_position(c->get_local_mouse_position());
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mb->set_global_position(gui.mouse_focus->get_local_mouse_position());
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mb->set_button_index(i + 1);
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mb->set_pressed(false);
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c->call_multilevel(SceneStringNames::get_singleton()->_gui_input, mb);
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}
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}
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}
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List<Control *>::Element *Viewport::_gui_show_modal(Control *p_control) {
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gui.modal_stack.push_back(p_control);
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@ -2498,15 +2515,8 @@ List<Control *>::Element *Viewport::_gui_show_modal(Control *p_control) {
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p_control->_modal_set_prev_focus_owner(0);
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if (gui.mouse_focus && !p_control->is_a_parent_of(gui.mouse_focus) && !gui.mouse_click_grabber) {
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Ref<InputEventMouseButton> mb;
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mb.instance();
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mb->set_position(gui.mouse_focus->get_local_mouse_position());
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mb->set_global_position(gui.mouse_focus->get_local_mouse_position());
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mb->set_button_index(gui.mouse_focus_button);
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mb->set_pressed(false);
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Control *c = gui.mouse_focus;
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gui.mouse_focus = NULL;
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c->call_multilevel(SceneStringNames::get_singleton()->_gui_input, mb);
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_drop_mouse_focus();
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}
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return gui.modal_stack.back();
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@ -2536,26 +2546,47 @@ void Viewport::_post_gui_grab_click_focus() {
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if (gui.mouse_focus == focus_grabber)
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return;
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int mask = gui.mouse_focus_mask;
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Point2 click = gui.mouse_focus->get_global_transform_with_canvas().affine_inverse().xform(gui.last_mouse_pos);
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for (int i = 0; i < 3; i++) {
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if (mask & (1 << i)) {
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Ref<InputEventMouseButton> mb;
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mb.instance();
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//send unclic
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Point2 click = gui.mouse_focus->get_global_transform_with_canvas().affine_inverse().xform(gui.last_mouse_pos);
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mb->set_position(click);
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mb->set_button_index(gui.mouse_focus_button);
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mb->set_button_index(i + 1);
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mb->set_pressed(false);
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gui.mouse_focus->call_multilevel(SceneStringNames::get_singleton()->_gui_input, mb);
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}
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}
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gui.mouse_focus = focus_grabber;
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gui.focus_inv_xform = gui.mouse_focus->get_global_transform_with_canvas().affine_inverse();
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click = gui.mouse_focus->get_global_transform_with_canvas().affine_inverse().xform(gui.last_mouse_pos);
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for (int i = 0; i < 3; i++) {
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if (mask & (1 << i)) {
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Ref<InputEventMouseButton> mb;
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mb.instance();
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//send clic
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mb->set_position(click);
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mb->set_button_index(gui.mouse_focus_button);
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mb->set_button_index(i + 1);
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mb->set_pressed(true);
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gui.mouse_focus->call_deferred(SceneStringNames::get_singleton()->_gui_input, mb);
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}
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}
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}
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}
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///////////////////////////////
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@ -272,7 +272,7 @@ private:
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bool key_event_accepted;
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Control *mouse_focus;
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Control *mouse_click_grabber;
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int mouse_focus_button;
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int mouse_focus_mask;
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Control *key_focus;
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Control *mouse_over;
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Control *tooltip;
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@ -379,6 +379,8 @@ private:
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void _canvas_layer_add(CanvasLayer *p_canvas_layer);
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void _canvas_layer_remove(CanvasLayer *p_canvas_layer);
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void _drop_mouse_focus();
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protected:
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void _notification(int p_what);
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static void _bind_methods();
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